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Wireless networks are practical but dangerous at the same time.WEP encryption is unlikely to stop an attacker. But help is at hand in the form of add-on security measures such as an encrypted OpenVPN tunnel.

SSH can make you crazy if the WLAN connection keeps breaking down, the IP address changes, or the data packets trickle over a slow mobile connection. AutoSSH and Mosh offer some features you won’t find in ordinary SSH.